⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2720777, and has not been changed.
This name is a synonym of Cicuta douglasii (DC.) J.M.Coult. & Rose.
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Rev. N. Amer. Umbell. 130 1888.